diff options
Diffstat (limited to 'drivers/acpi/utilities/utmutex.c')
| -rw-r--r-- | drivers/acpi/utilities/utmutex.c | 47 |
1 files changed, 14 insertions, 33 deletions
diff --git a/drivers/acpi/utilities/utmutex.c b/drivers/acpi/utilities/utmutex.c index 25eb34369af..c39062a047c 100644 --- a/drivers/acpi/utilities/utmutex.c +++ b/drivers/acpi/utilities/utmutex.c @@ -82,12 +82,9 @@ acpi_status acpi_ut_mutex_initialize(void) /* Create the spinlocks for use at interrupt level */ - status = acpi_os_create_lock(&acpi_gbl_gpe_lock); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } + spin_lock_init(acpi_gbl_gpe_lock); + spin_lock_init(acpi_gbl_hardware_lock); - status = acpi_os_create_lock(&acpi_gbl_hardware_lock); return_ACPI_STATUS(status); } @@ -146,9 +143,8 @@ static acpi_status acpi_ut_create_mutex(acpi_mutex_handle mutex_id) } if (!acpi_gbl_mutex_info[mutex_id].mutex) { - status = acpi_os_create_semaphore(1, 1, - &acpi_gbl_mutex_info - [mutex_id].mutex); + status = + acpi_os_create_mutex(&acpi_gbl_mutex_info[mutex_id].mutex); acpi_gbl_mutex_info[mutex_id].thread_id = ACPI_MUTEX_NOT_ACQUIRED; acpi_gbl_mutex_info[mutex_id].use_count = 0; @@ -171,7 +167,6 @@ static acpi_status acpi_ut_create_mutex(acpi_mutex_handle mutex_id) static acpi_status acpi_ut_delete_mutex(acpi_mutex_handle mutex_id) { - acpi_status status; ACPI_FUNCTION_TRACE_U32(ut_delete_mutex, mutex_id); @@ -179,12 +174,12 @@ static acpi_status acpi_ut_delete_mutex(acpi_mutex_handle mutex_id) return_ACPI_STATUS(AE_BAD_PARAMETER); } - status = acpi_os_delete_semaphore(acpi_gbl_mutex_info[mutex_id].mutex); + acpi_os_delete_mutex(acpi_gbl_mutex_info[mutex_id].mutex); acpi_gbl_mutex_info[mutex_id].mutex = NULL; acpi_gbl_mutex_info[mutex_id].thread_id = ACPI_MUTEX_NOT_ACQUIRED; - return_ACPI_STATUS(status); + return_ACPI_STATUS(AE_OK); } /******************************************************************************* @@ -249,14 +244,14 @@ acpi_status acpi_ut_acquire_mutex(acpi_mutex_handle mutex_id) ACPI_DEBUG_PRINT((ACPI_DB_MUTEX, "Thread %X attempting to acquire Mutex [%s]\n", - this_thread_id, acpi_ut_get_mutex_name(mutex_id))); + (u32) this_thread_id, acpi_ut_get_mutex_name(mutex_id))); - status = acpi_os_wait_semaphore(acpi_gbl_mutex_info[mutex_id].mutex, - 1, ACPI_WAIT_FOREVER); + status = acpi_os_acquire_mutex(acpi_gbl_mutex_info[mutex_id].mutex, + ACPI_WAIT_FOREVER); if (ACPI_SUCCESS(status)) { ACPI_DEBUG_PRINT((ACPI_DB_MUTEX, "Thread %X acquired Mutex [%s]\n", - this_thread_id, + (u32) this_thread_id, acpi_ut_get_mutex_name(mutex_id))); acpi_gbl_mutex_info[mutex_id].use_count++; @@ -264,7 +259,7 @@ acpi_status acpi_ut_acquire_mutex(acpi_mutex_handle mutex_id) } else { ACPI_EXCEPTION((AE_INFO, status, "Thread %X could not acquire Mutex [%X]", - this_thread_id, mutex_id)); + (u32) this_thread_id, mutex_id)); } return (status); @@ -284,14 +279,13 @@ acpi_status acpi_ut_acquire_mutex(acpi_mutex_handle mutex_id) acpi_status acpi_ut_release_mutex(acpi_mutex_handle mutex_id) { - acpi_status status; acpi_thread_id this_thread_id; ACPI_FUNCTION_NAME(ut_release_mutex); this_thread_id = acpi_os_get_thread_id(); ACPI_DEBUG_PRINT((ACPI_DB_MUTEX, - "Thread %X releasing Mutex [%s]\n", this_thread_id, + "Thread %X releasing Mutex [%s]\n", (u32) this_thread_id, acpi_ut_get_mutex_name(mutex_id))); if (mutex_id > ACPI_MAX_MUTEX) { @@ -340,19 +334,6 @@ acpi_status acpi_ut_release_mutex(acpi_mutex_handle mutex_id) acpi_gbl_mutex_info[mutex_id].thread_id = ACPI_MUTEX_NOT_ACQUIRED; - status = - acpi_os_signal_semaphore(acpi_gbl_mutex_info[mutex_id].mutex, 1); - - if (ACPI_FAILURE(status)) { - ACPI_EXCEPTION((AE_INFO, status, - "Thread %X could not release Mutex [%X]", - this_thread_id, mutex_id)); - } else { - ACPI_DEBUG_PRINT((ACPI_DB_MUTEX, - "Thread %X released Mutex [%s]\n", - this_thread_id, - acpi_ut_get_mutex_name(mutex_id))); - } - - return (status); + acpi_os_release_mutex(acpi_gbl_mutex_info[mutex_id].mutex); + return (AE_OK); } |